Trial Outcomes & Findings for A Phase 2 Open-label Pilot Study Evaluating MYK-461 in Subjects With Symptomatic Hypertrophic Cardiomyopathy and Left Ventricular Outflow Tract Obstruction (NCT NCT02842242)

NCT ID: NCT02842242

Last Updated: 2021-06-08

Results Overview

Post-exercise peak LVOT gradients are assessed after a treadmill stress test by echocardiography.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

21 participants

Primary outcome timeframe

Baseline and Week 12

Results posted on

2021-06-08

Participant Flow

Participant milestones

Participant milestones
Measure
Cohort A
Mavacamten 10 to 20 mg/d without background medications
Cohort B
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Overall Study
STARTED
11
10
Overall Study
COMPLETED
10
10
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Based on available data

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cohort A
n=11 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Total
n=21 Participants
Total of all reporting groups
Age, Customized
Mean Age (range)
56 years
n=11 Participants
58 years
n=10 Participants
57 years
n=21 Participants
Sex/Gender, Customized
Male
7 Participants
n=11 Participants
5 Participants
n=10 Participants
12 Participants
n=21 Participants
Sex/Gender, Customized
Female
4 Participants
n=11 Participants
5 Participants
n=10 Participants
9 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
11 Participants
n=11 Participants
10 Participants
n=10 Participants
21 Participants
n=21 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Asian
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=11 Participants
1 Participants
n=10 Participants
1 Participants
n=21 Participants
Race (NIH/OMB)
White
11 Participants
n=11 Participants
9 Participants
n=10 Participants
20 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=11 Participants
0 Participants
n=10 Participants
0 Participants
n=21 Participants
Postexercise LVOT gradient
103 mm Hg
STANDARD_DEVIATION 50 • n=9 Participants • Based on available data
86 mm Hg
STANDARD_DEVIATION 43 • n=9 Participants • Based on available data
94.5 mm Hg
STANDARD_DEVIATION 0 • n=18 Participants • Based on available data

PRIMARY outcome

Timeframe: Baseline and Week 12

Post-exercise peak LVOT gradients are assessed after a treadmill stress test by echocardiography.

Outcome measures

Outcome measures
Measure
Cohort A
n=8 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=9 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in Post-exercise Peak LVOT Gradient From Baseline to Week 12
-89.5 mm Hg
Interval -138.3 to -40.7
-25.0 mm Hg
Interval -47.1 to -3.0

SECONDARY outcome

Timeframe: Baseline and Week 12

LVOT gradients are assessed after a treadmill stress test by echocardiography.

Outcome measures

Outcome measures
Measure
Cohort A
n=11 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Number of Participants Achieving a Post-exercise Peak LVOT Gradient Response of < 30 mmHg. Gradient < 30 mmHg
8 Participants
0 Participants

SECONDARY outcome

Timeframe: Baseline and Week 12

The scale name is Dyspnea Numeric Rating Scale (NRS). It is intended to measure how much shortness of breath you have had in the past week. 0 = no shortness of breath and 10 = shortness of breath as the worst possible.

Outcome measures

Outcome measures
Measure
Cohort A
n=10 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in Dyspnea Symptom Score From Baseline to Week 12
-3.1 units on a scale
Interval -4.1 to -2.1
-3.0 units on a scale
Interval -5.0 to -1.0

SECONDARY outcome

Timeframe: Baseline and Week 12

Peak VO2 is assessed using a cardiopulmonary exercise test.

Outcome measures

Outcome measures
Measure
Cohort A
n=10 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in Peak VO2 From Baseline to Week 12
3.5 mL/kg/min
Interval 1.2 to 5.9
1.7 mL/kg/min
Interval 0.03 to 3.3

SECONDARY outcome

Timeframe: Baseline and Week 12

VE/VCO2 is assessed from cardiopulmonary exercise testing results.

Outcome measures

Outcome measures
Measure
Cohort A
n=10 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in VE/VCO2 From Baseline to Week 12
-2.2 Ratio
Interval -6.1 to 1.7
-2.5 Ratio
Interval -4.3 to -0.7

SECONDARY outcome

Timeframe: Baseline and Week 12

LVEF is assessed by echocardiography.

Outcome measures

Outcome measures
Measure
Cohort A
n=10 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in Resting LVEF From Baseline to Week 12
-14.6 Percent change
Interval -23.1 to -6.2
-5.5 Percent change
Interval -9.8 to -1.2

SECONDARY outcome

Timeframe: Baseline and Week 12

LVFS is assessed using echocardiography measures.

Outcome measures

Outcome measures
Measure
Cohort A
n=10 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=8 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in LV Fractional Shortening (LVFS) From Baseline to Week 12
-18.60 Percent
Standard Deviation 13.05
-3.98 Percent
Standard Deviation 11.42

SECONDARY outcome

Timeframe: Baseline and Week 12

GLS is assessed using echocardiography measures.

Outcome measures

Outcome measures
Measure
Cohort A
n=9 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in Global Longitudinal Strain (GLS) From Baseline to Week 12
0.56 Percent
Standard Deviation 3.778
0.18 Percent
Standard Deviation 2.806

SECONDARY outcome

Timeframe: Weeks 12 and 16

Post-exercise peak LVOT gradients are assessed after a treadmill stress test by echocardiography.

Outcome measures

Outcome measures
Measure
Cohort A
n=8 Participants
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 Participants
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Change in Post-exercise Peak LVOT Gradient From Week 12 to Week 16
55.22 mm Hg
Standard Deviation 40.84
84.08 mm Hg
Standard Deviation 28.38

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline and Week 12

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline and Week 12

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: 12 weeks

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline and Week 12

Post-exercise peak LVOT gradients are assessed after a treadmill stress test by echocardiography.

Outcome measures

Outcome data not reported

Adverse Events

Cohort A

Serious events: 1 serious events
Other events: 10 other events
Deaths: 0 deaths

Cohort B

Serious events: 0 serious events
Other events: 10 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Cohort A
n=11 participants at risk
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 participants at risk
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Cardiac disorders
Atrial Fibrillation
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.

Other adverse events

Other adverse events
Measure
Cohort A
n=11 participants at risk
Mavacamten 10 to 20 mg/d without background medications
Cohort B
n=10 participants at risk
Mavacamten 2 to 5 mg/d with beta-blockers allowed.
Cardiac disorders
Ventricular Tachycardia
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
40.0%
4/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Atrial Fibrillation
27.3%
3/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Headache
27.3%
3/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
20.0%
2/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Dizziness
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
30.0%
3/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Nausea
18.2%
2/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Angina Pectoris
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
20.0%
2/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Fatigue
18.2%
2/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
20.0%
2/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Application Site Rash
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
20.0%
2/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Dyspnea (Exertional)
18.2%
2/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Infections and infestations
Upper Respiratory Tract Infection
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
20.0%
2/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Infections and infestations
Urinary Tract Infection
18.2%
2/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Investigations
Ejection Fraction Decreased
27.3%
3/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Skin and subcutaneous tissue disorders
Rash
18.2%
2/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Cardiac Failure
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Cardiac Flutter
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Palpitations
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Tachycardia
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Cardiac disorders
Ventricular extrasystoles
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Eye disorders
Visual impairment
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Abdominal Discomfort
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Constipation
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Diarrhoea
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Food Poisoning
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Gastric Ulcer
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Gastritis
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Retching
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Gastrointestinal disorders
Vomiting
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Vascular disorders
Hypertension
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Application Site Erythema
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Asthenia
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Chills
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Feeling Abnormal
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Oedema peripheral
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
General disorders
Peripheral Swelling
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Infections and infestations
Nasopharyngitis
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Infections and infestations
Sinusitis
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Infections and infestations
Tooth infection
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Injury, poisoning and procedural complications
Contusion
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Injury, poisoning and procedural complications
Fall
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Injury, poisoning and procedural complications
Heat exhaustion
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Injury, poisoning and procedural complications
Laceration
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Injury, poisoning and procedural complications
Muscle strain
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Injury, poisoning and procedural complications
Rib fracture
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Investigations
Blood bilirubin increased
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Investigations
Blood calcium decreased
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Investigations
Blood creatine phosphokinase abnormal
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Investigations
Brain natriuretic peptide increased
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Investigations
Heart rate irregular
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Musculoskeletal and connective tissue disorders
Joint swelling
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Musculoskeletal and connective tissue disorders
Muscular weakness
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Musculoskeletal and connective tissue disorders
Myalgia
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Musculoskeletal and connective tissue disorders
Pain in extremity
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Hypersomnia
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Hyporeflexia
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Paraesthesia
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Presyncope
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Nervous system disorders
Tremor
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Psychiatric disorders
Anxiety
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Psychiatric disorders
Insomnia
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Reproductive system and breast disorders
Breast mass
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Reproductive system and breast disorders
Breast pain
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Reproductive system and breast disorders
Vaginal discharge
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Cough
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Dyspnoea
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Productive cough
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Sinus congestion
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Throat irritation
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Respiratory, thoracic and mediastinal disorders
Upper-airway cough syndrome
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Skin and subcutaneous tissue disorders
Cold sweat
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Skin and subcutaneous tissue disorders
Dermatitis
9.1%
1/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
0.00%
0/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
Skin and subcutaneous tissue disorders
Dermatitis contact
0.00%
0/11 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.
10.0%
1/10 • 16 Weeks
Adverse event data were collected from baseline through the end of study visit at Week 16 for each participant enrolled.

Additional Information

Dr. Amy Sehnert

MyoKardia Inc.

Phone: 650-741-7798

Results disclosure agreements

  • Principal investigator is a sponsor employee PI's have the right to publish data after the primary publication is released.
  • Publication restrictions are in place

Restriction type: OTHER